Update the License header to match the new mod name

LOD -> Distance Horizons

src/main/java/com/seibel/lod/enums/GlProxyContext.java

@@ -1,13 +1,36 @@
+/*
+ *    This file is part of the Distant Horizon mod (formerly the LOD Mod),
+ *    licensed under the GNU GPL v3 License.
+ *
+ *    Copyright (C) 2020  James Seibel
+ *
+ *    This program is free software: you can redistribute it and/or modify
+ *    it under the terms of the GNU General Public License as published by
+ *    the Free Software Foundation, version 3.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *    GNU General Public License for more details.
+ *
+ *    You should have received a copy of the GNU General Public License
+ *    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 package com.seibel.lod.enums;
 
 /**
  * Minecraft, Lod_Builder, None
+ * 
  * @author James Seibel
  * @version 10-1-2021
  */
 public enum GlProxyContext
 {
+	/** Minecraft's render thread */
 	MINECRAFT,
+	
+	/** The context we send buffers to the GPU on */
 	LOD_BUILDER,
 	
 	/** used to un-bind threads */